Vishay Semiconductor Diodes Division
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1N4448WS-E3-18
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1N4448WS-E3-18

Product Overview

Category

The 1N4448WS-E3-18 belongs to the category of small signal diodes.

Use

It is commonly used in applications such as signal rectification, high-speed switching, and voltage clamping.

Characteristics

  • Fast switching speed
  • High reliability
  • Small package size
  • Low forward voltage drop

Package

The 1N4448WS-E3-18 is typically available in a SOD-323 package.

Essence

This diode is essential for electronic circuits requiring fast and reliable signal rectification and switching.

Packaging/Quantity

It is usually supplied in reels with varying quantities depending on the manufacturer's specifications.

Specifications

  • Maximum repetitive peak reverse voltage: 100V
  • Average rectified forward current: 150mA
  • Forward voltage: 1V at 10mA
  • Reverse recovery time: 4ns

Detailed Pin Configuration

The 1N4448WS-E3-18 typically has two pins, with the anode connected to one pin and the cathode connected to the other.

Functional Features

  • Fast switching speed allows for rapid response in electronic circuits.
  • High reliability ensures consistent performance over time.
  • Low forward voltage drop minimizes power loss in the circuit.

Advantages and Disadvantages

Advantages

  • Fast switching speed
  • High reliability
  • Small package size

Disadvantages

  • Limited maximum repetitive peak reverse voltage
  • Relatively low average rectified forward current

Working Principles

The 1N4448WS-E3-18 operates based on the principles of semiconductor junction behavior, allowing it to efficiently rectify signals and switch between conducting and non-conducting states.

Detailed Application Field Plans

Signal Rectification

The diode can be used in audio and radio frequency circuits for signal rectification purposes.

High-Speed Switching

It is suitable for use in high-frequency switching applications such as digital logic circuits.

Voltage Clamping

The diode can be employed for voltage clamping to protect sensitive components from voltage spikes.

Detailed and Complete Alternative Models

  • 1N4148: Similar characteristics and applications
  • 1N914: Comparable small signal diode with slightly different specifications

In conclusion, the 1N4448WS-E3-18 small signal diode offers fast switching speed, high reliability, and compact size, making it suitable for various electronic applications. Its limitations in maximum reverse voltage and average forward current should be considered when selecting alternative models for specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4448WS-E3-18 v technických řešeních

  1. What is the 1N4448WS-E3-18 diode used for?

    • The 1N4448WS-E3-18 diode is commonly used in signal and switching applications due to its fast switching speed and low forward voltage drop.

  2. What is the maximum forward voltage of the 1N4448WS-E3-18 diode?

    • The maximum forward voltage of the 1N4448WS-E3-18 diode is typically around 1V at a forward current of 10mA.

  3. What is the reverse breakdown voltage of the 1N4448WS-E3-18 diode?

    • The reverse breakdown voltage of the 1N4448WS-E3-18 diode is typically around 100V.

  4. Can the 1N4448WS-E3-18 diode handle high-frequency signals?

    • Yes, the 1N4448WS-E3-18 diode is suitable for high-frequency applications due to its fast switching characteristics.

  5. Is the 1N4448WS-E3-18 diode suitable for use in rectifier circuits?

    • Yes, the 1N4448WS-E3-18 diode can be used in rectifier circuits, especially in low-power applications.

  6. What is the maximum continuous forward current rating of the 1N4448WS-E3-18 diode?

    • The maximum continuous forward current rating of the 1N4448WS-E3-18 diode is typically around 250mA.

  7. Does the 1N4448WS-E3-18 diode have a low leakage current?

    • Yes, the 1N4448WS-E3-18 diode has a low reverse leakage current, making it suitable for precision applications.

  8. Can the 1N4448WS-E3-18 diode withstand high temperatures?

    • The 1N4448WS-E3-18 diode has a maximum operating temperature of around 175°C, making it suitable for a wide range of temperature environments.

  9. Is the 1N4448WS-E3-18 diode available in surface mount packages?

    • Yes, the 1N4448WS-E3-18 diode is available in a surface mount SOD-323 package, making it suitable for compact designs.

  10. What are some common applications for the 1N4448WS-E3-18 diode?

    • Common applications for the 1N4448WS-E3-18 diode include signal clamping, freewheeling diodes, voltage regulation, and general-purpose switching.